package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行UPDATE语句
 */
public class JDBCDemo3 {
    public static void main(String[] args) {
        try(
            Connection  connection = DBUtil.getConnection();
        ) {
        Statement statement = connection.createStatement();
        String sql = "UPDATE userinfo " +
                     "SET password='88888888' " +
                     "WHERE username='那山'";
        System.out.println(sql);
        int num = statement.executeUpdate(sql);
        if (num>0) {
            System.out.println("修改成功");
        }else{
            System.out.println("修改失败");
        }
        } catch (SQLException e) {
            e.printStackTrace();
        }


    }
}
